下校 げこう
gekō

Noun
Suru Verb

1. leaving school (at the end of the day); getting out of school; coming home from school

Intransitive
どの生徒 せいと ろく までに下校 げこうしなければならない。
dono sētomo rokujimadeni gekō shinakereba naranai.
Every student has to leave school by six.